<template>
  <div class="login">
	<div class="login-header">
		<div class="logo">
			<img src="@/assets/logo/web-logo.png" alt="LOGO" class="logo-icon">
			<span class="web-name">校园新闻网</span>
		</div>
		<div class="other"></div>
	</div>
    <div class="login-form-box">
		<div class="login-form-left">
			<img src="@/assets/images/news.png" alt="">
		</div>
		<el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
			<h3 class="title">账号登录</h3>
			<el-form-item prop="username">
				<el-input
				v-model="loginForm.username"
				type="text"
				auto-complete="off"
				placeholder="账号"
				>
				<svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
				</el-input>
			</el-form-item>
			<el-form-item prop="password">
				<el-input
				v-model="loginForm.password"
				type="password"
				auto-complete="off"
				placeholder="密码"
				@keyup.enter.native="handleLogin"
				>
				<svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
				</el-input>
			</el-form-item>
			<el-form-item prop="code" v-if="captchaEnabled">
				<el-input
				v-model="loginForm.code"
				auto-complete="off"
				placeholder="验证码"
				style="width: 63%"
				@keyup.enter.native="handleLogin"
				>
				<svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
				</el-input>
				<div class="login-code">
				<img :src="codeUrl" @click="getCode" class="login-code-img"/>
				</div>
			</el-form-item>
			<el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
			<el-form-item style="width:100%;">
				<el-button
				:loading="loading"
				size="medium"
				type="danger"
				style="width:100%;"
				@click.native.prevent="handleLogin"
				>
				<span v-if="!loading">登 录</span>
				<span v-else>登 录 中...</span>
				</el-button>
				<div style="float: right;" v-if="register">
				<router-link class="link-type" :to="'/register'">立即注册</router-link>
				</div>
			</el-form-item>
		</el-form>
	</div>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2024-2025</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            // this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
            this.$router.push({ path: '/webIndex' }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
.login {
	position: relative;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	height: 100%;
	background-image: url("../assets/images/login-bg.jpg");
	background-size: 100% calc(100% - 160px);
	background-position: 0 60px;
}
.login-header {
	position: absolute;
	width: 100%;
	padding: 20px 24px;
    background: rgb(255, 255, 255);
    box-shadow: rgba(0, 0, 0, 0.1) 0 2px 4px 0;
    height: 60px;
	left: 0;
	top: 0;
	.logo {
		height: 100%;
		display: flex;
		flex-direction: row;
		align-items: center;
		margin-right: 28px;
		.logo-icon {
			width: 30px;
			height: 30px;
		}
		.web-name {
			font-size: 24px;
			margin-left: 15px;
			color: #222;
			letter-spacing: 2px;
		}
	}
}
.title {
  margin: 0 auto 30px auto;
  text-align: center;
  color: #222;
  font-size: 24px;
}

.login-form-box {
	display: flex;
	background: #ffffff;
	width: 880px;
	height: 500px;
	padding: 80px 0;
	flex-direction: row;
	box-shadow: rgba(0, 0, 0, 0.15) 0 2px 15px;
	.login-form-left {
		width: 50%;
		border-right: 1px solid #ccc;
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		> img {
			width: 320px;
		}
	}
	.login-form {
		margin: 0 auto;
	}
	.el-input {
		height: 38px;
		input {
			height: 38px;
		}
	}
	.input-icon {
		height: 39px;
		width: 14px;
		margin-left: 2px;
	}
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 100px;
  line-height: 100px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #333;
  font-family: Arial;
  font-size: 14px;
  letter-spacing: 1px;
  background-color: #fff;
}
.login-code-img {
  height: 38px;
}
::v-deep .el-button--danger {
	background-color: #a6292f !important;
	border-color: #a6292f !important;
}
</style>
